When the power of the headphones is turned off or it run out of, plug in 3.5mm audio cord, the headphones will keep playing music. Previous page Next page The video showcases the product in use.The video guides you through product setup.The video compares multiple products.The video shows the product being unpacked. How do I know how much the power left is? The electronic device with IOS system or Android system is able to observe the battery level of the headphones. Whether this cat headphones fit for kids? The weight of headphones is about 11.5 oz; and the size and the volume is designed for older children (like 8-year-old-child), teen, adult.  If Bluetooth cannot be connected even the headphones is nearby: If the bluetooth cannnot be connected, delete the paired Bluetooth ZW-068, go pairing ZW-068 one more time, please, then the bluetooth will work normal.  If the bluetooth shut down automatically: 1. Turn on the power, but it donnot connect to bluetooth for 5 min; 2. Connecting to bluetooth, but it is not under working for 5 min; 3. The bluetooth out of connection more than 5 min; 4. It run out of power. If the mic and LED Lights cannot work: 1. Plugged in the audio cord, the power is shut down automatically; 2. It run out of power. (The mic and LED lights need power.)